Payday Calendar 2025 Bi Weekly. Pay periods are fixed and most often occur on a biweekly or semimonthly basis (state laws may require a certain frequency). Payroll processing calendars outlining the start and end dates of pay periods and pay dates.

Biweekly pay is a salary or wage paid every two weeks, usually on fridays. The biweekly pay schedules and additional schedules and deadlines can be found below.